Equation Of a Circle Test

Front

What is the standard form of the equation of a circle?

Back

Front

How do you find the center of a circle from its equation?

Back

Front

Back

The radius of the circle is the square root of r^2, which is r.

Front

How do you convert the general form of a circle's equation to standard form?

Back

Front

Back

The center of the circle is (-3, 2).

Front

Back

Front

How do you determine the equation of a circle given its center and a point on the circle?

Back

Front

Back

The center is (-3, 6) and the radius is 5.

Front

What does the term 'completing the square' mean in the context of circles?

Back

Completing the square is a method used to rewrite a quadratic equation in the form of a perfect square trinomial, which helps in converting to standard form.

Front

What is the equation of a circle with center at (2, -3) and radius 4?

Back